Slub fabric is a type of fabric created from yarn with an irregular texture, where the slubs are thicker and more raised than the rest of the fabric, creating an irregular texture). Slubs are thicker or uneven pieces of fiber in fabric, which can be created deliberately or regarded as a defect caused by uneven spinning or using low-grade, lumpy or short-staple fiber). Slub fabric is usually made of cotton, but it can also be made of linen, wool, silk, or synthetic fibers). Slub fabric is commonly used in manufacturing t-shirts, sweatshirts, activewear, skirts, knitwear, formal wear, bed sheets, pillowcases, mattress covers, blankets, towels, and shawls. It is also possible to produce slub fabric with various dyeing, printing, and finishing techniques to provide a variety of effects and patterns. Slub fabric is robust and long-lasting, and it is utilized in upholstery.